Silicon Valley’s Most Powerful ‘Mafia’ Gets a New Boss Posted on September 2, 2022 By Charlielikes Startup incubator Y Combinator birthed big names like Airbnb and Stripe. Incoming CEO Garry Tan says he’ll tap the program’s alumni network to generate new tech giants. Tech Tags:‘new, ‘a, ‘most, boss, gets, mafia, powerful, silicon, tech, technology, valley’s